Release 0.2.1

Cargo.lock

 
 [[package]]
 name = "deltamap"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
  "cgmath 0.16.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",

Cargo.toml

 [package]
 name = "deltamap"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Johannes Hofmann <mail@b-r-u.org>"]
 readme = "README.md"
 repository = "https://github.com/b-r-u/deltamap"